@JeremyECrawford Does Witch Bolt end as soon as the target is out of range? Or does it end after their movement is complete?

— Nick Wester, P.I. (@WeHaveSnacks) February 4, 2016

Witch bolt ends the instant the target is outside the spell's range. #DnD https://t.co/gNszqP6DQX

— Jeremy Crawford (@JeremyECrawford) February 17, 2016